Both strace and ltrace are powerful command-line tools for debugging and troubleshooting programs on Linux: Strace captures and records all system calls made by a process as well as the signals ...

Debugging and profiling are critical skills in a developer's toolbox, especially when working with low-level system applications. Whether you're tracking down a segmentation fault in a C program or ...

I have noticed from experience that when my Linux programs fail, it's often a subtle event that can leave you confused or unsure of what actually went wrong. When I have fallen back to top, htop, or ...

Using Linux, especially as a server, often means dealing with new errors and resolving them. Most of them are easy to fix with just a web search. But some errors may require that you do some digging.

Sandra Henry-Stocker was a programmer, Linux systems administrator, security engineer and Linux journalist for most of her 30-year career. She describes herself as "USL" (Unix as a second language) ...